:root{--bs-primary: #0d9488;--bs-primary-rgb: 13, 148, 136;--bs-link-color: #0f766e;--bs-link-hover-color: #0d5c56;--bs-body-bg: #f1f5f9;--bs-body-color: #1e293b;--bs-border-radius: .5rem;--bs-border-radius-lg: .75rem;--bs-border-color: #e2e8f0;--admin-sidebar-bg: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);--admin-sidebar-border: rgba(148, 163, 184, .15);--admin-sidebar-active: rgba(13, 148, 136, .35);--admin-sidebar-active-border: #2dd4bf;--admin-content-max: 1400px;--admin-header-bg: rgba(255, 255, 255, .92);--admin-card-shadow: 0 1px 3px rgba(15, 23, 42, .06), 0 4px 12px rgba(15, 23, 42, .04);--admin-stat-icon-bg: rgba(13, 148, 136, .12)}body.admin-app,body.admin-login{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}.admin-main-inner{max-width:var(--admin-content-max);margin-left:auto;margin-right:auto;width:100%}.admin-sidebar{width:260px;min-height:100vh;background:var(--admin-sidebar-bg);border-right:1px solid var(--admin-sidebar-border)}.admin-sidebar-brand{font-weight:600;letter-spacing:-.02em;color:#f8fafc!important}.admin-sidebar-brand-icon{width:36px;height:36px;border-radius:var(--bs-border-radius);background:#2dd4bf33;color:#5eead4;display:inline-flex;align-items:center;justify-content:center;font-size:1.1rem}.admin-nav-link{color:#f8fafcb8!important;border-left:3px solid transparent;padding:.55rem .85rem!important;margin-bottom:2px;transition:background .15s ease,color .15s ease,border-color .15s ease}.admin-nav-link:hover{color:#f8fafc!important;background:#ffffff0f}.admin-nav-link.active{color:#fff!important;background:var(--admin-sidebar-active);border-left-color:var(--admin-sidebar-active-border)}.admin-nav-link i{font-size:1.1rem;opacity:.9}.admin-top-header{background:var(--admin-header-bg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--bs-border-color)!important;box-shadow:0 1px 2px #0f172a0a}.admin-user-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#0d9488,#14b8a6);color:#fff;font-weight:600;font-size:.85rem;display:inline-flex;align-items:center;justify-content:center}.admin-stat-card{border:1px solid var(--bs-border-color);border-radius:var(--bs-border-radius-lg);box-shadow:var(--admin-card-shadow);background:#fff;transition:transform .15s ease,box-shadow .15s ease;height:100%;position:relative;overflow:hidden}.admin-stat-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--stat-accent, var(--bs-primary));opacity:.85}.admin-stat-card:hover{transform:translateY(-2px);box-shadow:0 4px 6px #0f172a0d,0 12px 24px #0f172a14}.admin-stat-card.admin-stat-card--warning{--stat-accent: #f59e0b}.admin-stat-card.admin-stat-card--danger{--stat-accent: #ef4444;border:2px solid rgba(239,68,68,.4);background:linear-gradient(135deg,#fff,#fee2e299);box-shadow:0 0 0 1px #ef444426,0 4px 12px #ef44441f;animation:admin-stat-overdue-pulse 2s ease-in-out infinite}.admin-stat-card.admin-stat-card--info{--stat-accent: #3b82f6}.admin-stat-card.admin-stat-card--muted{--stat-accent: #64748b}.admin-stat-icon{width:48px;height:48px;border-radius:var(--bs-border-radius);background:var(--admin-stat-icon-bg);color:var(--bs-primary);display:flex;align-items:center;justify-content:center;font-size:1.35rem}.admin-stat-card--warning .admin-stat-icon{background:#f59e0b26;color:#d97706}.admin-stat-card--danger .admin-stat-icon{background:#ef444433;color:#dc2626}@keyframes admin-stat-overdue-pulse{0%,to{box-shadow:0 0 0 1px #ef444426,0 4px 12px #ef44441f}50%{box-shadow:0 0 0 2px #ef444440,0 4px 16px #ef444433}}.admin-stat-card--info .admin-stat-icon{background:#3b82f61f;color:#2563eb}.admin-stat-card--muted .admin-stat-icon{background:#64748b1f;color:#475569}.admin-card{border:1px solid var(--bs-border-color);border-radius:var(--bs-border-radius-lg);box-shadow:var(--admin-card-shadow);background:#fff;overflow:hidden}.admin-card--flush{box-shadow:none;border:1px solid var(--bs-border-color)}.admin-card__header{padding:.875rem 1.25rem;border-bottom:1px solid var(--bs-border-color);background:linear-gradient(180deg,#fafbfc,#fff)}.admin-card__body{padding:1.25rem}.admin-card__body--flush{padding:0}.admin-card__body--list{padding:0 0 .75rem}.admin-card__body--list .admin-activity-item{padding:.75rem 1.25rem;margin:0}.admin-card__body--list .admin-activity-item:first-child{padding-top:.65rem}.admin-card__body--list>.d-grid{padding:.65rem 1.25rem .35rem;gap:.5rem}.admin-card__body--list .admin-card__list-footer{padding:.5rem 1.25rem .15rem}.admin-card__body--list>p.text-muted.small{padding:.65rem 1.25rem .85rem;margin:0}.admin-table-wrap{border-radius:var(--bs-border-radius);border:1px solid var(--bs-border-color);overflow:hidden}.admin-table thead th{font-size:.75rem;text-transform:uppercase;letter-spacing:.04em;font-weight:600;color:#64748b;background:#f8fafc;border-bottom-color:var(--bs-border-color)!important;white-space:nowrap}.admin-table tbody td{vertical-align:middle}.admin-table-sort{color:inherit}.admin-table-sort:hover{color:var(--bs-primary)}.admin-empty-state{text-align:center;padding:3rem 1.5rem;color:#64748b}.admin-empty-state i{font-size:2.5rem;opacity:.35;margin-bottom:.75rem;display:block}.admin-quick-action{border-radius:var(--bs-border-radius);border:1px solid var(--bs-border-color);padding:1rem 1.1rem;text-align:left;text-decoration:none;color:inherit;display:flex;align-items:center;gap:.85rem;background:#fff;transition:border-color .15s ease,box-shadow .15s ease,transform .15s ease}.admin-quick-action:hover{border-color:#0d948873;box-shadow:var(--admin-card-shadow);color:inherit;transform:translateY(-1px)}.admin-quick-action i{font-size:1.5rem;color:var(--bs-primary)}.admin-activity-item{padding:.75rem 0;border-bottom:1px solid var(--bs-border-color);font-size:.875rem}.admin-activity-item:last-child{border-bottom:0;padding-bottom:.15rem}.admin-login-body{min-height:100vh;background:linear-gradient(145deg,#0f172a,#1e3a5f 45%,#0f766e)}.admin-login-card{border:1px solid rgba(255,255,255,.12);border-radius:var(--bs-border-radius-lg);box-shadow:0 24px 48px #0f172a59,0 0 0 1px #ffffff0f inset;background:#fffffffa}.admin-login-brand{color:#fff;text-align:center;margin-bottom:1.5rem}.offcanvas.admin-offcanvas-sidebar{background:linear-gradient(180deg,#0f172a,#1e293b)}.form-control:focus,.form-select:focus{border-color:#0d94888c;box-shadow:0 0 0 .2rem #0d94882e}.btn-primary{--bs-btn-bg: #0d9488;--bs-btn-border-color: #0d9488;--bs-btn-hover-bg: #0f766e;--bs-btn-hover-border-color: #0f766e}.select2-container--default .select2-selection--single{border-color:var(--bs-border-color);border-radius:var(--bs-border-radius);min-height:calc(1.5em + .5rem + 2px)}.select2-container--default .select2-selection--single .select2-selection__rendered{line-height:calc(1.5em + .5rem)}.select2-container--default.select2-container--focus .select2-selection--single{border-color:#0d94888c;box-shadow:0 0 0 .2rem #0d94882e}.select2-container--default .select2-results__option--highlighted[aria-selected]{background-color:var(--bs-primary)}.invoice-period-wizard{padding:.5rem 0}.invoice-period-grid{display:grid;gap:.5rem;grid-template-columns:repeat(3,1fr)}@media(min-width:576px){.invoice-period-grid{grid-template-columns:repeat(4,1fr)}}@media(min-width:992px){.invoice-period-grid{grid-template-columns:repeat(6,1fr)}}.invoice-period-cell{display:flex;align-items:center;justify-content:space-between;gap:.5rem;padding:.6rem .75rem;border-radius:var(--bs-border-radius);border:1px solid var(--bs-border-color);background:#f8fafc;transition:border-color .15s ease,background .15s ease}.invoice-period-cell.invoice-period-pending{background:#f1f5f9;color:#94a3b8}.invoice-period-cell.invoice-period-issued{background:#0d94880f;border-color:#0d948840;color:var(--bs-body-color)}.invoice-period-cell.invoice-period-current{border-width:2px;border-color:var(--bs-primary);background:#0d94881a;box-shadow:0 0 0 1px #0d948833}.invoice-period-cell.invoice-period-current.invoice-period-pending{border-color:#64748b;background:#64748b14}.invoice-period-month{font-size:.8rem;font-weight:500}.invoice-period-icon{font-size:1.1rem;flex-shrink:0}.invoice-period-icon--success{color:#0d9488}.invoice-period-icon--pending{color:#cbd5e1}div.dataTables_wrapper div.dataTables_length select,div.dataTables_wrapper div.dataTables_filter input{border-radius:var(--bs-border-radius-lg);border:1px solid var(--bs-border-color);padding:.375rem .85rem;box-shadow:0 1px 2px #0f172a08;color:#334155;background-color:#f8fafc}div.dataTables_wrapper div.dataTables_length select:focus,div.dataTables_wrapper div.dataTables_filter input:focus{background-color:#fff;border-color:#0d948873;outline:none;box-shadow:0 0 0 3px #0d94881f}div.dataTables_wrapper div.dataTables_paginate ul.pagination{margin-bottom:0;gap:4px}div.dataTables_wrapper div.dataTables_paginate .page-link{border-radius:8px!important;margin:0;border:1px solid transparent;color:#475569;padding:.4rem .85rem;font-weight:500}div.dataTables_wrapper div.dataTables_paginate .page-link:hover{background-color:#f1f5f9;color:var(--bs-primary)}div.dataTables_wrapper div.dataTables_paginate .page-item.active .page-link{background-color:var(--bs-primary);border-color:var(--bs-primary);color:#fff;box-shadow:0 2px 5px #0d948840}div.dataTables_wrapper div.dataTables_info{color:#64748b;font-size:.875rem;padding-top:.5rem}